メタデータ名 indicator-F2620
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.8312500 37.9208334, 140.8375000 37.9208334, 140.8375000 37.9250000, 140.8312500 37.9250000, 140.8312500 37.9208334)) ^^http://www.opengis.net/ont/geosparql#wktLiteral